CN108403389A - A kind of intelligent blind-guiding cap - Google Patents
A kind of intelligent blind-guiding cap Download PDFInfo
- Publication number
- CN108403389A CN108403389A CN201810287896.4A CN201810287896A CN108403389A CN 108403389 A CN108403389 A CN 108403389A CN 201810287896 A CN201810287896 A CN 201810287896A CN 108403389 A CN108403389 A CN 108403389A
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- CN
- China
- Prior art keywords
- cap
- earphone
- circuit
- control circuit
- model
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/02—Head
Abstract
The invention discloses a kind of intelligent blind-guiding caps, including warning lamp, blinker, earphone enclosure, earphone, GPS positioning navigation system, ultrasonic system, power switch and power supply indicator, the warning lamp is set to the top of cap, the blinker is set to the both sides of cap, the earphone enclosure is set to the lower end both sides of cap, the earphone is embedded in the earphone enclosure, the GPS positioning navigation system and ultrasonic system are set on the forward position of cap, the GPS positioning navigation system and the ultrasonic system are provided with power switch and power supply indicator, the power switch connects power circuit.Compared with prior art, the present invention has navigation and the guide hat of people or other obstacle recognitions.The guide hat is convenient for carrying, at the same can play sunshade, rain-proof effect, for user at home or trip facility is provided.
Description
Technical field
The present invention relates to blind person's auxiliary electronic device more particularly to a kind of intelligent blind-guiding caps.
Background technology
In daily life, blind person due to the limitation of self-condition, have it is all various not convenient, especially when walking,
It is easy to lead to collision, tumble injury because that can not judge the front whether have barrier.Blind guide, guide product currently on the market is main
Deficiency be that inconvenient to carry, function is more single, for improve blind person's guide efficiency, need constantly improve and innovation.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of intelligent blind-guiding cap.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes warning lamp, blinker, earphone enclosure, earphone, GPS positioning navigation system, ultrasonic system, electricity
Source switch and power supply indicator, the warning lamp are set to the top of cap, and the blinker is set to the both sides of cap,
The earphone enclosure is set to the lower end both sides of cap, and the earphone is embedded in the earphone enclosure, and institute is arranged on the forward position of cap
GPS positioning navigation system and ultrasonic system are stated, the GPS positioning navigation system and the ultrasonic system are provided with power supply and open
It closes and power supply indicator, the power switch connects power circuit.
Further, the ultrasonic system is by control circuit, driving circuit, transmitting probe, receiving transducer, receiving circuit group
At the signal output end of the control circuit is connect by the driving circuit with the transmitting probe, and the receiving transducer is logical
It crosses the receiving circuit to connect with the signal input part of the control circuit, the alerting signal output end connection of control circuit is reminded
Device, the alarm set are that the blinker and the earphone form.
Specifically, the chip that the control circuit is model EM78P153 is constituted, and the driving circuit is 7404 core of model
Piece is constituted, and the receiving circuit is constituted for model C X20106A chips.The power circuit using model MCP73831 chips and
Model SX1308 chips are constituted.
Hat-shaped is designed as the cap in forward position, and forward position loads ultrasonic sensor, for detecting barrier, and passes through
Connected earphone is that user carries out corresponding voice prompt.Cap front be equipped with GPS navigation positioning system, while with cap side
Earphone be connected.It is perceived for convenience of blind person, earphone is set as unilateral earphone.The sensor transmits a signal to microcontroller control
System after carrying out analyzing processing, is converted into voice signal and is exported from earphone." preceding, left and right three directions are voice prompt user
No someone or barrier " and direction navigation etc..Luminous indicating lamp is housed at the top of cap and left and right earphone enclosure simultaneously, is carried
Wake up passerby.
The beneficial effects of the present invention are：
The present invention is a kind of intelligent blind-guiding cap, and compared with prior art, the present invention has navigation and people or other barriers
The guide hat of identification.The guide hat is convenient for carrying, at the same can play sunshade, rain-proof effect, for user at home or trip provide
It is convenient.
Description of the drawings
Fig. 1 is the external structure schematic diagram of the present invention；
Fig. 2 is the structural principle block diagram of ultrasonic system；
Fig. 3 is the circuit structure schematic diagram of power circuit；
Fig. 4 is the circuit structure schematic diagram of ultrasonic system.
In figure：1- warning lamps, 2- blinkers, 3- earphone enclosures, 4- earphones, 5-GPS Position Fixing Navigation Systems, 6- ultrasounds
Wave system system, 7- power switches, 8- power supply indicators.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1：The present invention includes warning lamp 1, blinker 2, earphone enclosure 3, earphone 4, GPS location navigations system
System 5, ultrasonic system 6, power switch 7 and power supply indicator 8, the warning lamp 1 are set to the top of cap, and the direction refers to
Show that lamp 2 is set to the both sides of cap, the earphone 4 is provide with the lower end both sides for being placed in cap, and the earphone 4 is embedded in the earphone
In cover 3, the GPS positioning navigation system 5 and ultrasonic system 6, the GPS positioning navigation system 5 are set on the forward position of cap
The ultrasonic system 6 is provided with power switch 7 and power supply indicator 8, the power switch 7 connects power circuit.
As shown in Figure 2：The ultrasonic system is by control circuit, driving circuit, transmitting probe, receiving transducer, reception electricity
Road forms, and the signal output end of the control circuit is connect by the driving circuit with the transmitting probe, and the reception is visited
Head is connect by the receiving circuit with the signal input part of the control circuit, the alerting signal output end connection of control circuit
Alarm set, the alarm set are that the blinker and the earphone form.
Ultrasonic system 6：Ultrasonic system 6 is that ultrasonic signal is converted into other energy signals (being typically electric signal)
Sensor.Ultrasonic system 6 is mainly using directly reflective detection pattern.Detected material before sensor passes through
The receiver that the sound wave of reflection is partly emitted to passback sensor, to make sensor detect measured object.
GPS navigation positioning system：Navigation positioning system helps blind person to provide direction, while can also in real time position to family
People.The function is completed by blind mobile phone.
Control circuit：The input signal of sensor is subjected to processing analysis and is converted into voice signal output.Make blind person timely
Prompt message is obtained from earphone.Shine instruction simultaneously, indicates moving direction, reminds passerby.
As shown in Figure 3 and Figure 4：The chip that the control circuit is model EM78P153 is constituted, and the driving circuit is type
Number 7404 chips are constituted, and the receiving circuit is model C X20106A chips composition.The power circuit uses model
MCP73831 chips and model SX1308 chips are constituted.
As shown in Figure 3：Power circuit part point includes two parts, is made of U1-U2.U1 and peripheral cell constitute 4.3V lithium electricity
Pond charge management circuit；D101 is charging instruction；SW1 is power switch；D104 is power supply instruction；BAT is battery interface；D102
It is common cathode diode, charging can be met, power supply is carried out at the same time.U2 and peripheral cell constitute boost type 5V regulator circuits, for electricity
Road powers.
As shown in Figure 4：U37404 is 6 phase inverters, constitutes driving radiating circuit.
U4CX20106A is the special chip that a infrared ray detection receives, and is usually used in television set infrared remote control receiver.
The typical circuit of processing is received using CX20106A as ultrasonic wave.(when CX20106A receives the signal of 40KHz, meeting exists
7th foot generates a low level falling pulse, this signal can be connected to the external interrupt pin of microcontroller as interrupt signal
Input) signal that receiving transducer is subject to is amplified using CX 20106A integrated circuits, is filtered.Its total gain amplifier 80db.
It is the pin annotation of CX20106A below.
1 foot：The input impedance of ultrasonic signal input terminal, the foot is about 40k Ω.2 feet：RC is connected between the foot and ground to connect
Network, they are a component parts of negative-feedback series network, and the gain of preamplifier can be changed by changing their numerical value
And frequency characteristic.Increase resistance R1 or reduce C1, amount of negative feedback will be made to increase, amplification factor declines, and on the contrary then amplification factor increases
Greatly.But the change of C1 influences whether frequency characteristic, need not generally change in actual use, and recommendation selected parameter is R1=4.7
Ω, C1=1 μ F.3 feet：Detection capacitance, capacitance greatly average value detection, moment corresponding sensitivity are connected between the foot and ground
It is low；If capacity is small, for peak detection, the pulse width variation of moment corresponding high sensitivity, but detection output is big, easily causes mistake
Action, recommendation recommended parameter are 3.3 μ f.4 feet：Ground terminal.5 feet：A resistance is accessed between the foot and power supply, band logical is arranged
The centre frequency f0 of filter, resistance value is bigger, and centre frequency is lower.For example, when taking R=200k Ω, f0 ≈ 42kHz, if taking R
=220k Ω, then centre frequency f0 ≈ 38kHz.6 feet：An indirect integrating capacitor of the foot and ground, standard value 330pF, such as
Fruit capacitance acquirement is too big, detection range can be made to shorten.
7 feet：Remote control command output end, it is the open collector way of output, therefore the pin must connect a pull-up
For resistance to power end, recommendation resistance value is 22k Ω, and it is high level that not receive signal, which be end output, under then being generated when having signal
Drop.
U5EM78P153 is 8 microcontrollers that TaiWan, China Yi Long companies use the manufacture of high-speed cmos technique.It is below
The pin of EM78P153 annotates.
1-3,9,12-14 feet general purpose I/O pins, 4 foot VDD power ends, 5-6 feet general purpose I/O pins, the input of XT oscillators
Pin, 7 feet are set RESET and are resetted for low level, 8 foot general purpose Is/O pins, external clock/counter input pin, and 10 feet are general
The external interrupt input pin that I/O pins, failing edge trigger, 11 foot VSS power supplys ().
U3, U4 and peripheral cell in dotted line frame F constitute ultrasonic sensor, and dotted line frame R, L is similar supersonic sensing
Device, before being respectively placed in cap, left and right three directions, the measured object for detecting three directions.
U5 and peripheral cell constitute single-chip computer control system.Completion sound, light are reminded.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of intelligent blind-guiding cap, it is characterised in that：Including warning lamp, blinker, earphone enclosure, earphone, GPS positioning navigation
System, ultrasonic system, power switch and power supply indicator, the warning lamp are set to the top of cap, the direction instruction
Lamp is set to the both sides of cap, and the earphone enclosure is set to the lower end both sides of cap, and the earphone is embedded in the earphone enclosure,
The GPS positioning navigation system and ultrasonic system, the GPS positioning navigation system and the ultrasound are set on the forward position of cap
Wave system system is provided with power switch and power supply indicator, and the power switch connects power circuit.
2. intelligent blind-guiding cap according to claim 1, it is characterised in that：The ultrasonic system is by control circuit, driving
Circuit, transmitting probe, receiving transducer, receiving circuit composition, the signal output end of the control circuit pass through the driving circuit
It is connect with the transmitting probe, the receiving transducer is connected by the signal input part of the receiving circuit and the control circuit
It connects, the alerting signal output end of control circuit connects alarm set, and the alarm set is the blinker and the ear
Machine forms.
3. intelligent blind-guiding cap according to claim 2, it is characterised in that：The control circuit is the core of model EM78P153
Piece is constituted, and the driving circuit is constituted for 7404 chip of model, and the receiving circuit is constituted for model C X20106A chips.
4. intelligent blind-guiding cap according to claim 1, it is characterised in that：The power circuit uses model MCP73831 cores
Piece and model SX1308 chips are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287896.4A CN108403389A (en) | 2018-04-03 | 2018-04-03 | A kind of intelligent blind-guiding cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287896.4A CN108403389A (en) | 2018-04-03 | 2018-04-03 | A kind of intelligent blind-guiding cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108403389A true CN108403389A (en) | 2018-08-17 |
Family
ID=63134389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810287896.4A Pending CN108403389A (en) | 2018-04-03 | 2018-04-03 | A kind of intelligent blind-guiding cap |
Country Status (1)
| Country | Link |
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| CN (1) | CN108403389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494175A (en) * | 2020-05-11 | 2020-08-07 | 清华大学 | Navigation method based on head-mounted equipment, head-mounted equipment and storage medium |
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| CN104539191A (en) * | 2014-12-19 | 2015-04-22 | 西南交通大学 | Power supply system based on sea wave power generation |
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| CN105662794A (en) * | 2014-11-22 | 2016-06-15 | 陕西金合泰克信息科技发展有限公司 | Positioning and navigation cap for blind based on single-chip computer |
| CN205594903U (en) * | 2016-04-01 | 2016-09-21 | 昆明理工大学 | Parking stall indicator |
| CN107174494A (en) * | 2017-07-05 | 2017-09-19 | 杨思路 | A kind of intelligent blind man's stick |
| CN107728159A (en) * | 2017-10-27 | 2018-02-23 | 无锡七百二十度科技有限公司 | A kind of mobile phone with infrared detection of obstacles function |
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| CN101984260A (en) * | 2010-11-09 | 2011-03-09 | 西安融慧专利产品开发咨询有限责任公司 | Control method for ventilation fan in toilet through temperature difference method |
| CN102642209A (en) * | 2012-04-06 | 2012-08-22 | 东南大学 | Seven-degree of freedom force feedback hand controller measurement and control system |
| CN103458535A (en) * | 2013-08-28 | 2013-12-18 | 北京师范大学 | Low-power-consumption weak signal data acquisition and wireless transmission module |
| CN104135523A (en) * | 2014-08-01 | 2014-11-05 | 上海海洋大学 | An embedded Web Service smart RFID device for predicting shelf life of aquatic product |
| CN105662794A (en) * | 2014-11-22 | 2016-06-15 | 陕西金合泰克信息科技发展有限公司 | Positioning and navigation cap for blind based on single-chip computer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494175A (en) * | 2020-05-11 | 2020-08-07 | 清华大学 | Navigation method based on head-mounted equipment, head-mounted equipment and storage medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |
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| RJ01 | Rejection of invention patent application after publication |